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Finding the Fourth Proportional to 326,572.85, 450,591.66 and 190,529.15

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Solution

The fourth proportional to 326,572.85, 450,591.66 and 190,529.15 is: 262,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,572.85 : 450,591.66 = 190,529.15 : x
  2. Step 2: Convert to fraction form
    326,572.85/450,591.66 = 190,529.15/x
  3. Step 3: Cross multiply
    326,572.85x = 450,591.66 × 190,529.15
  4. Step 4: Simplify right side
    326,572.85x = 85,850,843,723.93
  5. Step 5: Solve for x
    x = 85,850,843,723.93/326,572.85
  6. Step 6: Final answer
    x = 262,884.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.